The backpack and ID of missing college coed Skye Petersen are suddenly dropped off at a thrift store seven years after Jack--and ultimately the legal system--determined she was murdered by her married professor with whom she'd just ended an affair.

Jack and Danny head to Mexico to find wealthy American vacationer James Costin who was abducted, at the request of James' mother-in-law. While Vivian, Sam, Martin and Elena work the case back in New York.